alt Hacker NewsNo it's because in almost every sport, male sex development bestows significant performance advantages.
This is easy to see even with a casual glance. Look at the world records for any sport with measurable and comparable metrics, like times for swimming, running, etc. The difference between the most elite female and male athletes is stark.
The differences are marginal and mostly depend on the hormonal load present in each individual athlete.
Males are not scrutinized anywhere near as closely, so they always get away with higher levels of anabolic steroids/hGH/rhEPO/random peptides than women would. Women are subject to constant, consistent testing, while male doping testing is basically an honor system (just don't be too obvious about it).